/* ===== Cuentia — Estilos globales ===== */
:root {
  --verde: #2ECC71;
  --verde-oscuro: #27AE60;
  --azul: #0D1B2A;
  --azul-suave: #1B2A3D;
  --gris-fondo: #F7F9FB;
  --gris-borde: #E4E9EF;
  --gris-texto: #5A6572;
  --blanco: #FFFFFF;
  --sombra: 0 8px 30px rgba(13, 27, 42, 0.08);
  --sombra-fuerte: 0 12px 40px rgba(13, 27, 42, 0.14);
  --radio: 16px;
  --radio-sm: 10px;
  --max: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--azul);
  background: var(--blanco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gris-borde);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.5px;
  color: var(--azul);
}
.logo .ia { color: var(--verde); }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-weight: 500;
  font-size: 15px;
  color: var(--gris-texto);
  transition: color 0.2s;
}
.nav a:hover { color: var(--verde); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--azul);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: var(--radio-sm);
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--verde);
  color: var(--blanco);
  box-shadow: 0 6px 18px rgba(46, 204, 113, 0.35);
}
.btn-primary:hover {
  background: var(--verde-oscuro);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(46, 204, 113, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--azul);
  border: 1.5px solid var(--gris-borde);
}
.btn-ghost:hover { border-color: var(--verde); color: var(--verde); }

.btn-header {
  padding: 10px 20px;
  font-size: 15px;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(160deg, var(--gris-fondo) 0%, #EEF6F1 100%);
  padding: 80px 0 90px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 50px;
  align-items: center;
}
.hero h1 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 .hl { color: var(--verde); }
.hero p.lead {
  font-size: 18px;
  color: var(--gris-texto);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--gris-texto);
}
.hero-note strong { color: var(--verde-oscuro); }

/* Mockup del teléfono */
.phone {
  justify-self: center;
  width: 270px;
  height: 540px;
  background: var(--azul);
  border-radius: 38px;
  padding: 14px;
  box-shadow: var(--sombra-fuerte);
  position: relative;
}
.phone::before {
  content: "";
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 6px;
  background: #33465c;
  border-radius: 6px;
}
.phone-screen {
  width: 100%; height: 100%;
  background: var(--blanco);
  border-radius: 26px;
  padding: 40px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.chat-bubble {
  padding: 11px 14px;
  border-radius: 14px;
  font-size: 13px;
  max-width: 85%;
}
.chat-user {
  align-self: flex-end;
  background: var(--verde);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-ai {
  align-self: flex-start;
  background: var(--gris-fondo);
  color: var(--azul);
  border-bottom-left-radius: 4px;
}
.chat-card {
  margin-top: 6px;
  background: linear-gradient(135deg, #0D1B2A, #1B2A3D);
  color: #fff;
  border-radius: 14px;
  padding: 14px;
  font-size: 12px;
}
.chat-card .amount { font-size: 22px; font-weight: 700; color: var(--verde); }
.chat-card .tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 11px;
  background: rgba(46,204,113,0.2);
  color: var(--verde);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ===== Secciones generales ===== */
section { padding: 80px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-head .eyebrow {
  color: var(--verde);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-head p { color: var(--gris-texto); font-size: 17px; }

/* ===== Cómo funciona ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.step {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 34px 28px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.step-num {
  width: 54px; height: 54px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--verde);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 22px;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--gris-texto); font-size: 15px; }

/* ===== Características ===== */
.features { background: var(--gris-fondo); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 24px;
  border: 1px solid var(--gris-borde);
}
.feature .check {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(46, 204, 113, 0.15);
  color: var(--verde);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 16px;
}
.feature h4 { font-size: 16px; margin-bottom: 4px; }
.feature p { font-size: 14px; color: var(--gris-texto); }

/* ===== Premium ===== */
.premium {
  background: linear-gradient(140deg, var(--azul) 0%, var(--azul-suave) 100%);
  color: #fff;
}
.premium-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.premium .eyebrow { color: var(--verde); }
.premium h2 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.premium > .container > .premium-card > div > p.sub {
  color: rgba(255,255,255,0.7);
  font-size: 17px;
  margin-bottom: 28px;
}
.premium-benefits { list-style: none; display: grid; gap: 16px; }
.premium-benefits li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 16px;
}
.premium-benefits .star {
  flex-shrink: 0;
  color: var(--verde);
  font-size: 18px;
  margin-top: 2px;
}
.premium-benefits span.txt strong { display: block; }
.premium-benefits span.txt small { color: rgba(255,255,255,0.6); font-size: 13px; }

.price-box {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radio);
  padding: 36px;
  text-align: center;
}
.price-box .badge {
  display: inline-block;
  background: var(--verde);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.price-box .price { font-family: 'Poppins', sans-serif; font-size: 44px; font-weight: 800; }
.price-box .price small { font-size: 16px; font-weight: 500; color: rgba(255,255,255,0.6); }
.price-box p.hint { color: rgba(255,255,255,0.6); font-size: 14px; margin-top: 8px; }

/* ===== CTA final ===== */
.cta-final { text-align: center; }
.cta-final h2 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-final p { color: var(--gris-texto); font-size: 17px; margin-bottom: 28px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--azul);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer .logo { color: #fff; margin-bottom: 12px; display: inline-block; }
.site-footer p { font-size: 14px; max-width: 300px; }
.footer-col h5 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--verde); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== Páginas de contenido (privacy / support) ===== */
.page-hero {
  background: linear-gradient(160deg, var(--gris-fondo) 0%, #EEF6F1 100%);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}
.page-hero p { color: var(--gris-texto); font-size: 16px; }

.content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}
.content h2 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-size: 24px;
  margin: 40px 0 14px;
  color: var(--azul);
}
.content h2:first-child { margin-top: 0; }
.content h3 { font-size: 18px; margin: 24px 0 10px; }
.content p, .content li { color: var(--gris-texto); font-size: 16px; margin-bottom: 12px; }
.content ul { padding-left: 22px; margin-bottom: 16px; }
.content li { margin-bottom: 8px; }
.content a { color: var(--verde-oscuro); font-weight: 600; }
.content strong { color: var(--azul); }
.callout {
  background: rgba(46, 204, 113, 0.08);
  border-left: 4px solid var(--verde);
  border-radius: var(--radio-sm);
  padding: 18px 22px;
  margin: 24px 0;
}
.callout p { margin: 0; color: var(--azul); }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--blanco);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--azul);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
}
.faq-q .icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  color: var(--verde);
  font-size: 22px;
  transition: transform 0.25s;
}
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a-inner { padding: 0 24px 20px; color: var(--gris-texto); font-size: 15px; }

/* ===== Formulario soporte ===== */
.support-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 34px;
  box-shadow: var(--sombra);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--azul);
  transition: border 0.2s;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--verde); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note {
  font-size: 13px;
  color: var(--gris-texto);
  text-align: center;
  margin-top: 14px;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46, 204, 113, 0.12);
  color: var(--verde-oscuro);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .phone { grid-row: 1; margin-bottom: 20px; }
  .steps { grid-template-columns: 1fr; }
  .premium-card { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--blanco);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 20px;
    border-bottom: 1px solid var(--gris-borde);
    box-shadow: var(--sombra);
    transform: translateY(-120%);
    transition: transform 0.3s;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--gris-borde); }
  .nav .btn-header { margin-top: 12px; text-align: center; }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  section { padding: 56px 0; }
  .hero { padding: 50px 0 60px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
}